Home / 18,152.30-25,041.15-15,759.02

Finding the Fourth Proportional to 18,152.30, 25,041.15 and 15,759.02

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Solution

The fourth proportional to 18,152.30, 25,041.15 and 15,759.02 is: 21,739.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,152.30 : 25,041.15 = 15,759.02 : x
  2. Step 2: Convert to fraction form
    18,152.30/25,041.15 = 15,759.02/x
  3. Step 3: Cross multiply
    18,152.30x = 25,041.15 × 15,759.02
  4. Step 4: Simplify right side
    18,152.30x = 394,624,046.28
  5. Step 5: Solve for x
    x = 394,624,046.28/18,152.30
  6. Step 6: Final answer
    x = 21,739.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.